ArticleOsteoarthritis and cartilage open2021
The influence of industry sponsorship and conflict of interest on results and conclusions of systematic reviews regarding treatment of knee osteoarthritis.
Article in Osteoarthritis and cartilage open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed.
- Conflicts of interest and industry funding declared in systematic reviews of interventions for six common diagnoses.Scandinavian journal of primary health care · 2026Article
- [Conflicts of Interest and Industry Influence in Randomized Controlled Trials in Hand Surgery: A Systematic Review].Revista brasileira de ortopedia · 2026Article
- Conflicts of Interest and Industry Influence in Randomized Controlled Trials in Hand Surgery: A Systematic Review.Revista brasileira de ortopedia · 2026Article
- Differences in the reporting of conflicts of interest and sponsorships in systematic reviews with meta-analyses in dentistry: an examination of factors associated with their reporting.Research integrity and peer review · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: To assess the influence of industry sponsorship and authors' conflicts of interest on the favorability of results and conclusions of systematic reviews regarding osteoarthritis of the knee. Design: We searched MEDLINE, Embase, and the Cochrane Database of Systematic Reviews on June 26, 2020 for systematic reviews with or without meta-analyses focusing on treatment of osteoarthritis of the knee. Author COI were collected from the systematic review's COI disclosure statement, the CMS Open Payments Database, Dollars for Profs, Google Patents, the United States Patent and Trademark Office (USPTO), as well as previously published COI disclosure statements. Study sponsorship was determined using information provided in each systematic review's funding statement. Results: Our study included 53 systematic reviews conducted by a total of 279 authors. Thirty-one authors (of 279; 11.1%) had one or more COI. Fourteen systematic reviews (of 53; 26.4%) had one or more conflicted authors. Of these reviews, only two (of 14; 14.3%) reported narrative results favoring the treatment group, whereas five (of 14; 35.7%) reported conclusions favoring the treatment group. Our results showed no statistically significant association between the presence of COI and the favorability of results (P= 0.11) and conclusions (P= 0.73). Because our sample only included one industry-sponsored systematic review, we were unable to adequately assess for a relationship between industry-sponsorship and favorability of results and conclusions. Conclusion: We found no association between the favorability of systematic review results and conclusions with either the presence of author's conflicts of interest or industry-sponsorship.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.